Troubleshooting Guide - Olympus STM7 Instructions Manual

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Troubleshooting guide

Under certain conditions, performance of the microscope may be adversely affected by factors other than defects. If
problems occur, please review the following list and take remedial action as needed. If you cannot solve the problem
after checking the entire list, please contact Olympus for assistance.
Problem
1. Optical system
a) The illumination does not light. The main switch of the control box is not
b) The illumination lights but the
field is dark or hardly visible.
c) The field is cut or uniformly
dark.
d) Dirt or dust is observed in the
field of view
e) Image is poor.
• Image is not sharp.
• Contrast is poor.
• Details are not clearly visible.
f) Half the image is blurred or
the image looks flowing.
90
Cause
set to ON.
The LED is blown.
Connectors are not connected firmly.
The fuses in the control box are blown.
The power supply unit MM6-ILPS-2 is
damaged.
The light path selector knob of the
trinocular tube is set to the
The light path selector knob of the
trinocular tube is set to an intermediate
position.
The revolving nosepiece is not attached
correctly.
The revolving nosepiece is not set to a
click position.
The filter is stopped at an intermediate
position.
Dust or dirt on the top surface of the stage
glass.
Dust or dirt on the specimen.
Dust or dirt on the objective tip.
Dust or dirt on the eyepiece.
Dust or dirt on the filter slider, polarizer or
slider.
The specified objective and eyepiece are
not used.
The revolving nosepiece is not attached
properly.
The objective is not engaged properly in
a light path.
The objective tip is dirty.
The stage glass is dirty.
The specimen is dirty.
The eyepiece is dirty.
Dust or dirt on the filter slider, polarizer or
slider.
The revolving nosepiece is not attached
properly.
The objective is not engaged properly in a
light path.
The specimen is tilted.
Set the main switch to " " (ON).
Replace the LED.
Connect them properly.
Replace the fuses.
Ask Olympus.
Set it to the
position.
Set it correctly.
Push in all the way into the mount
dovetail and clamp firmly.
Set to a click position.
Set it properly.
Clean them thoroughly.
Use the specified objective and
eyepiece.
Push in all the way into the mount
dovetail and clamp firmly.
Set the revolving nosepiece to a click
position.
Clean them thoroughly.
Push in all the way into the mount
dovetail and clamp firmly
Set the revolving nosepiece to a click
position.
Correct the specimen tilting to make
it horizontal.
Remedy Page
position.
64,67
22
–
69
73
–
34
34
65
–
35
12
65
–
12
65
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